Herb

Xiang Fu (Chu Zhi)

Coco-grass rhizome (Vinegar processed) | 醋香附

Also known as:

Nut grass , Purple nut sedge , Purple nutsedge

Properties

Qi-regulating herbs (理气药) · Neutral

Parts Used

Rhizome (根茎 gēn jīng)

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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$29.00 ($0.29/g)
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About This Herb*

Traditional Chinese Medicine background and properties

Herb Description*

Xiang Fu is one of the most important Qi-moving herbs in Chinese medicine, prized for its ability to relieve emotional tension, digestive discomfort, and menstrual problems. It works by smoothing the flow of Qi throughout the body, particularly in the Liver, and has been called the 'leading general for women's ailments' in classical texts. It is gentle and balanced in nature, making it suitable for a wide range of conditions where stress, frustration, or stagnation is the underlying issue.

Herb Category*

Main Actions*

  • Soothes the Liver and Regulates Qi
  • Regulates Qi and Broadens the Middle Burner
  • Regulates Menstruation and Alleviates Pain

How These Actions Work*

'Spreads and regulates Liver Qi' is Xiang Fu's most important action and the one it is most famous for. When the Liver's natural function of keeping Qi flowing smoothly is disrupted (often by emotional stress, frustration, or anger), Qi becomes stuck or stagnant. This shows up as a feeling of tightness or distension in the chest and flanks, mood swings, irritability, sighing, or a sensation of something being 'blocked.' Xiang Fu's acrid, aromatic nature allows it to move and spread, while its slight bitterness helps it descend. Together these qualities make it exceptionally effective at unblocking stuck Liver Qi. The Ben Cao Gang Mu called it the 'chief commander for all Qi diseases and the leading general for women's ailments' (气病之总司,女科之主帅).

'Regulates Qi and loosens the chest' means Xiang Fu can also address Qi stagnation in the Spleen and Stomach. When Qi stalls in the middle of the body, it produces bloating, epigastric fullness, poor appetite, belching, or nausea. Because Xiang Fu enters both the Liver and Spleen channels, it smooths the flow of Qi across both organs, which is especially useful when Liver Qi 'invades' the Stomach or Spleen, causing digestive upset alongside emotional distress.

'Regulates menstruation and alleviates pain' reflects Xiang Fu's special importance in gynecology. Smooth Qi flow is essential for regular, pain-free menstruation. When Liver Qi stagnation disrupts the flow of Blood in the uterus, the result can be irregular periods, painful cramping, premenstrual breast tenderness, or missed periods. By restoring Liver Qi movement, Xiang Fu helps Blood circulate properly, which is why it appears in so many classical formulas for menstrual disorders. It is often described as a 'Qi-level herb that works within the Blood' (血中气药), meaning it addresses Blood-related problems by first resolving the underlying Qi stagnation.

Patterns Addressed*

In TCM, symptoms cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Xiang Fu is traditionally associated with these specific patterns.

The following describes this herb's classification within Traditional Chinese Medicine theory and is provided for educational purposes only.

Why Xiang Fu addresses this pattern

Liver Qi Stagnation is the pattern most closely associated with Xiang Fu. When emotional stress, frustration, or repressed anger causes the Liver to lose its smooth-flowing nature, Qi becomes stuck. Xiang Fu's acrid taste disperses and moves, while its slight bitterness helps descend stuck Qi. It enters the Liver channel directly, making it the foremost herb for unblocking Liver Qi. Its neutral temperature means it can be used regardless of whether the stagnation has a warm or cool tendency, without risk of adding Heat or Cold.

A practitioner would look for one or more of these signs

Chest Stiffness

Distension and fullness in the chest and ribcage area

Irritability

Mood swings, irritability, or a feeling of emotional frustration

Hypochondriac Pain

Pain or distension along the flanks beneath the ribs

Frequent Bleeding

Frequent sighing as an unconscious attempt to release stuck Qi

TCM Properties*

Temperature

Neutral

Taste

Acrid / Pungent (辛 xīn), Bitter (苦 kǔ), Sweet (甘 gān)

Channels Entered
Liver Spleen San Jiao (Triple Burner)
Parts Used

Rhizome (根茎 gēn jīng)

This is partial information on the herb's TCM properties. More detailed information is available on the herb's dedicated page

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Product Details

Manufacturing, supplier, and product specifications

Product Type

Granules

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Supplier Information

Treasure of the East

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Usage & Safety

How to use this herb and important safety information

Important Medical Disclaimer

The information provided here is for educational purposes only and is not intended as medical advice or to replace consultation with a qualified healthcare professional. This herb is a dietary supplement and has not been evaluated by the FDA. It is not intended to diagnose, treat, cure, or prevent any disease.

Always consult with a qualified healthcare provider, particularly if you are pregnant, nursing, have a medical condition, or are taking other medications. Discontinue use and consult your healthcare provider if you experience any adverse reactions.

Recommended Dosage

Instructions for safe storage and consumption

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Processing Methods

Processing method

The raw herb is stir-fried with rice vinegar until dry and slightly yellow, or cooked with diluted vinegar until the liquid is absorbed, then steamed for about 5 hours and dried. The standard ratio is 20 kg rice vinegar per 100 kg of Xiang Fu.

How it changes properties

Vinegar processing directs the herb more strongly into the Liver channel and significantly enhances its pain-relieving and Liver-soothing actions. It also adds a capacity to break up food stagnation and accumulations. The overall Qi-regulating effect becomes more focused and penetrating. Modern research confirms that vinegar-processed Xiang Fu has stronger antispasmodic and analgesic effects than the raw form.

When to use this form

The most commonly used processed form in clinical practice. Choose it over raw Xiang Fu when the primary goal is to soothe the Liver and stop pain, particularly for epigastric pain, menstrual cramps, and Liver Qi stagnation with food stagnation. It is the standard form used in most internal medicine formulas.

Special Populations

Pregnancy

Xiang Fu should be avoided during pregnancy. As a Qi-moving herb with mild Blood-activating properties, it could theoretically stimulate uterine contractions or disturb fetal stability, particularly in the first trimester. Classical sources note that Qi-moving herbs can be harmful during pregnancy by disrupting the Qi that secures the fetus. Some Chinese medical references list it among herbs that pregnant women should avoid. If a qualified practitioner determines that a pregnant patient has severe Liver Qi stagnation requiring treatment, Xiang Fu might be used with great caution at reduced dosage and for a limited time, but this decision should only be made by an experienced clinician after careful assessment.

Breastfeeding

There is limited specific data on the safety of Xiang Fu during breastfeeding. Classical Chinese medical texts do not specifically address this. Given its Qi-moving nature and aromatic volatile oil content, some caution is warranted as these compounds may theoretically pass into breast milk. However, the herb is not considered toxic and has been used traditionally in postpartum formulas to promote recovery and regulate menstruation after childbirth. Use during breastfeeding should be under the guidance of a qualified practitioner, at standard doses, and for limited durations.

Pediatric Use

Xiang Fu can be used in children at appropriately reduced dosages, typically one-third to one-half of the adult dose depending on age and weight. Li Shizhen noted in the Ben Cao Gang Mu that for children, 'Qi grows daily and the form becomes solid,' suggesting Xiang Fu's Qi-regulating properties are appropriate across age groups. However, because children's digestive systems are delicate and their Qi is still developing, prolonged or unsupervised use should be avoided. It is most suitable for children over age 3 with clear signs of Qi stagnation (such as abdominal distension or food stagnation). Always consult a practitioner experienced in pediatric TCM.

Dietary Advice

When taking Xiang Fu to treat Liver Qi stagnation and digestive discomfort, avoid cold and raw foods that may further impair Spleen and Stomach function. Lightly cooked, warm foods are preferable. Avoid greasy, heavy, or overly rich foods that contribute to stagnation. When Xiang Fu is being used for menstrual regulation, avoid excessively sour or astringent foods that may counteract its dispersing and moving nature. Moderate consumption of mildly aromatic foods like tangerine peel, ginger, and mint can complement its Qi-moving action.

Cautions & Warnings

Although this herb is typically safe for most individuals, it may cause side effects in some people. Pregnant women, nursing mothers, postpartum women, and those with liver disease should use the formula with caution.

As with any Chinese herbal remedy, it is advisable to seek guidance from a qualified TCM practitioner before beginning treatment.